NeoCircuits LabPractical tools for electronics design

Reference tables

The numbers you look up rather than work out: preferred value series, colour and SMD codes, package sizes with their real power and voltage ratings. Searchable, copyable, and each one printable on a single page for the bench.

This part of the site is in development. Below is what is being built for it.

Coming next

  • Full E6 to E192 preferred value tablessoon
  • Resistor colour codes, four band through six bandsoon
  • SMD package sizes with power and working-voltage ratingssoon
  • Capacitor dielectric codes and their temperature behavioursoon
  • Ceramic capacitor three-digit and EIA code decodersoon
  • Wire gauge against current capacity and resistance per metresoon